Perchlorate : EPA does not systematically track incidents of contamination : testimony before the Subcommittee on Environment and Hazardous Materials, House Committee on Energy and Commerce / statement of John B. Stephenson.

Variant title Perchlorate : Environmental Protection Agency does not systematically track incidents of contamination
Portion of title EPA does not systematically track incidents of contamination
SeriesTestimony ; GAO-07-797 T
Testimony GAO-07-797 T. ^A682308
General noteTitle from title screen (viewed on Apr. 26, 2007).
General note"For release on delivery ... Wednesday, April 25, 2007."
General notePaper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.
Bibliography noteIncludes bibliographical references.
Technical detailsMode of access: Internet from GAO web site. Address as of 6/28/07: http://www.gao.gov/new.items/d07797t.pdf; current access available via PURL.
GPO item number0546-D-01 (online)
Govt. docs number GA 1.5/2:GAO-07-797 T